{"id":288445,"date":"2026-09-08T14:50:55","date_gmt":"2026-09-08T12:50:55","guid":{"rendered":"https:\/\/www.ifun.de\/?p=288445"},"modified":"2026-09-08T14:58:03","modified_gmt":"2026-09-08T12:58:03","slug":"jellyfin-12-0-grosses-update-fuer-den-freien-medienserver","status":"publish","type":"post","link":"https:\/\/www.ifun.de\/jellyfin-12-0-grosses-update-fuer-den-freien-medienserver-288445\/","title":{"rendered":"Jellyfin 12.0: Gro\u00dfes Update f\u00fcr den freien Medienserver"},"content":{"rendered":"<p>Der freie Medienserver Jellyfin <a href=\"https:\/\/jellyfin.org\/posts\/jellyfin-release-12.0\/\">steht in Version 12.0 bereit<\/a>. Das gro\u00dfe Update baut auf der mit Version 10.11 begonnenen Umstellung der internen Datenbank auf und nutzt die neue Grundlage nun f\u00fcr sp\u00fcrbare Optimierungen bei gro\u00dfen Mediatheken. Gleichzeitig k\u00fcmmert sich Jellyfin ausf\u00fchrlicher um B\u00fccher und Comics und stellt mehrere technische Schnittstellen um.<\/p>\n<p><a href=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/video_player.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-288447\" title=\"Video Player\" src=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/video_player-500x296.png\" alt=\"Video Player\" width=\"500\" height=\"296\" srcset=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/video_player-500x296.png 500w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/video_player-700x414.png 700w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/video_player-768x455.png 768w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/video_player.png 956w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/jellyfin.org\/\">Jellyfin<\/a> ist ein kostenloser, quelloffener Medienserver f\u00fcr die eigene Film-, Serien- und Musiksammlung. Voraussetzung ist ein Rechner, NAS oder Heimserver, auf dem Jellyfin l\u00e4uft und die Mediendateien verwaltet. Auf die Bibliothek greifen Nutzer anschlie\u00dfend \u00fcber den Browser oder passende Client-Apps zu. F\u00fcr Mac, iPhone, iPad und Apple TV stehen neben den offiziellen Anwendungen auch mehrere Drittanbieter-Clients <a href=\"https:\/\/navifin.app\/\">wie Navifin<\/a> zur Verf\u00fcgung.<\/p>\n<h2>Gro\u00dfe Bibliotheken sollen fl\u00fcssiger reagieren<\/h2>\n<p>Vor allem Playlists und Sammlungen verwaltet Jellyfin jetzt anders. Deren Inhalte landen nicht mehr gesammelt in einem gro\u00dfen Datensatz, sondern werden einzeln in der Datenbank abgelegt. Seitenweise Abfragen, Z\u00e4hler oder \u00c4nderungen einzelner Eintr\u00e4ge ben\u00f6tigen dadurch weniger Arbeit. Auch \u201eContinue Watching\u201c, \u201eNext Up\u201c, K\u00fcnstlerabfragen und die Anzeige bereits gesehener Inhalte sollen schneller reagieren.<\/p>\n<p><a href=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-home.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-288451\" title=\"Jellyfin 12 Home\" src=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-home-700x394.png\" alt=\"Jellyfin 12 Home\" width=\"700\" height=\"394\" srcset=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-home-700x394.png 700w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-home-500x281.png 500w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-home-768x432.png 768w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-home-1536x864.png 1536w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-home.png 1920w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p>Die \u00c4nderungen betreffen vor allem das Durchsuchen der Bibliothek, nicht den Scanner selbst. Nach dem Upgrade ist dennoch ein vollst\u00e4ndiger Bibliotheks-Scan vorgeschrieben. Dabei baut Jellyfin unter anderem automatisch erkannte Alternativversionen neu auf. Diese lassen sich mit Version 12.0 erstmals auch f\u00fcr Serienfolgen gruppieren, etwa wenn dieselbe Episode in 1080p und 4K vorliegt.<\/p>\n<p>Jellyfin ist f\u00fcr Nutzer eigener NAS- und Heimserver-Mediatheken weiterhin eine kostenfreie Alternative zu Plex. Gerade dort haben sich zuletzt auch spezialisierte Clients etabliert. Auf Apples Endger\u00e4ten stehen beispielsweise <a href=\"https:\/\/www.ifun.de\/jellybox-player-native-jellyfin-app-fuer-mac-ipad-und-iphone-238766\/\">JellyBox<\/a> sowie Anwendungen wie <a href=\"https:\/\/www.iphone-ticker.de\/infuse-8-5-transcoding-fuer-plex-emby-und-jellyfin-282645\/\">Infuse mit Jellyfin-Anbindung<\/a> bereit.<\/p>\n<p><a href=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-library.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-288450\" title=\"Jellyfin 12 Library\" src=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-library-700x394.png\" alt=\"Jellyfin 12 Library\" width=\"700\" height=\"394\" srcset=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-library-700x394.png 700w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-library-500x281.png 500w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-library-768x432.png 768w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-library-1536x864.png 1536w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-library.png 1920w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<h2>B\u00fccher und Comics wandern in den Server<\/h2>\n<p>Deutlich umfangreicher f\u00e4llt auch die Unterst\u00fctzung f\u00fcr B\u00fccher aus. Funktionen des bisherigen Bookshelf-Plugins \u00fcbernimmt nun der Server selbst. Jellyfin liest Metadaten aus OPF- und ComicInfo-Dateien, erzeugt Vorschaubilder f\u00fcr EPUBs und Comicarchive, ermittelt Seitenzahlen und verarbeitet Kapitel von H\u00f6rb\u00fcchern. Im Webclient gibt es dazu eine \u00fcberarbeitete Bibliotheksansicht und eine vereinheitlichte Leseoberfl\u00e4che.<\/p>\n<p><a href=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-details.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-288449\" title=\"Jellyfin 12 Details\" src=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-details-700x394.png\" alt=\"Jellyfin 12 Details\" width=\"700\" height=\"394\" srcset=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-details-700x394.png 700w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-details-500x281.png 500w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-details-768x432.png 768w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-details-1536x864.png 1536w, https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-12-details.png 1920w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p>Vor dem Update mahnen die Entwickler ausdr\u00fccklich zu einem vollst\u00e4ndigen manuellen Backup. Die Datenbank wird beim ersten Start umgebaut, eine R\u00fcckkehr zur \u00e4lteren Version ist anschlie\u00dfend nur \u00fcber eine Sicherung m\u00f6glich.<\/p>\n<p>Zudem enth\u00e4lt Jellyfin 12.0 mehrere Sicherheitskorrekturen. Die Entwickler empfehlen daher grunds\u00e4tzlich den Umstieg, sobald Backup, Plugins und Clients entsprechend vorbereitet sind.<\/p>\n<!-- WP-Appbox (Version: 4.5.13 \/\/ Store: appstore \/\/ ID: 1480192618) -->\t<!-- app-link -->\n\t<div id=\"article-single-app-preview\">\n\t\t<div id=\"article-single-app-preview-header\">\n\t\t\t<span class=\"title\">Laden im App Store<\/span>\n\t\t<\/div>\n\t\t<div id=\"article-single-app-preview-content\">\n\t\t\t<div id=\"article-single-app-preview-img\"><img loading=\"lazy\" decoding=\"async\" src=\"\/\/is1-ssl.mzstatic.com\/image\/thumb\/PurpleSource211\/v4\/f9\/e6\/bf\/f9e6bff8-3fb4-6318-a33e-635d393896cf\/Placeholder.mill\/200x200bb-75.png\" alt=\"Jellyfin Mobile\"  height=\"72\" width=\"72\" class=\"asl-icon-img\" \/><\/div>\n\t\t\t<div id=\"article-single-app-preview-desc\">\n\t\t\t\t<span class=\"name\">Jellyfin Mobile<\/span><br \/>\n\t\t\t\t<span class=\"seller\">Entwickler: <a target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/apps.apple.com\/de\/developer\/anthony-lavado\/id1480192617\">Anthony Lavado<\/a><\/span>\n\t\t\t<\/div>\n\t\t\t<a target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/apps.apple.com\/de\/app\/jellyfin-mobile\/id1480192618\"><div id=\"article-single-app-preview-download\">Preis: Kostenlos<br \/>\n\t\t\t<span class=\"size\">Laden<\/span><\/div><\/a>\n\t\t<\/div>\n\t\t<!-- <div id=\"article-single-app-preview-footer\"><\/div>\t-->\n\t<\/div>\n\t<!-- app-link\/ende --><!-- \/WP-Appbox -->\n<p><img decoding=\"async\" src=\"https:\/\/vg02.met.vgwort.de\/na\/14d4c373d38a451ea9005bdc6bad9d60\" width=\"1\" height=\"1\" no-lazy class=\"tracking\" loading=\"eager\"><\/p>\n","protected":false},"excerpt":{"rendered":"<a href=\"https:\/\/www.ifun.de\/jellyfin-12-0-grosses-update-fuer-den-freien-medienserver-288445\/\"><img width=\"150\" height=\"150\" src=\"https:\/\/images.ifun.de\/wp-content\/uploads\/2026\/09\/jellyfin-app-feature-150x150.jpg\" class=\"alignright tfe wp-post-image\" alt=\"Jellyfin App Feature\" decoding=\"async\" loading=\"lazy\" \/><\/a><p>Der freie Medienserver Jellyfin steht in Version 12.0 bereit. Das gro\u00dfe Update baut auf der mit Version 10.11 begonnenen Umstellung der internen Datenbank auf und nutzt die neue Grundlage nun f\u00fcr sp\u00fcrbare Optimierungen bei gro\u00dfen Mediatheken. Gleichzeitig k\u00fcmmert sich Jellyfin ausf\u00fchrlicher um B\u00fccher und Comics und stellt mehrere technische Schnittstellen um. Jellyfin ist ein kostenloser, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":288452,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[4737,6307,7631,422,1784,60],"class_list":["post-288445","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-apps","tag-jellyfin","tag-medienserver","tag-nas","tag-open-source","tag-streaming"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Jellyfin 12.0 beschleunigt gro\u00dfe Mediatheken, erweitert B\u00fccher und Comics und bringt \u00c4nderungen f\u00fcr Plugins, Clients und Datenbanken.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Nicolas\"\/>\n\t<meta name=\"google-site-verification\" content=\"uH_IhWlZO-QDb51DGwVoGT_GCZmfJp98klL3XmbE3ow\" 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